CN214617878U - Valve pocket type stop valve with self-checking internal leakage - Google Patents
Valve pocket type stop valve with self-checking internal leakage Download PDFInfo
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- CN214617878U CN214617878U CN202121069608.1U CN202121069608U CN214617878U CN 214617878 U CN214617878 U CN 214617878U CN 202121069608 U CN202121069608 U CN 202121069608U CN 214617878 U CN214617878 U CN 214617878U
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Abstract
The utility model discloses a valve pocket type stop valve with self-checking internal leakage, which comprises a valve seat, wherein the top of the valve seat is fixedly connected with an installation pipe with the bottom end of a plugging structure, an inlet groove is arranged on the left side of the valve seat, an outlet groove is arranged on the right side of the valve seat, a first through hole communicated with the top inner wall of the outlet groove is arranged on the right inner wall of the inlet groove, the bottom inner wall of the first through hole is arranged into a round platform-shaped structure, and a plugging mechanism matched with the first through hole is arranged on the valve seat; the plugging mechanism comprises a truncated cone-shaped rubber plug which is movably sleeved in the first through hole in a sealing mode. The utility model relates to a rationally, be convenient for leak the operation in carrying out the self-checking to it when first through-hole shutoff, reach in time report to the police when the stop valve appears and remind personnel's purpose, reduce the extravagant phenomenon of outflow of medium, and be convenient for carry out the shutoff to the rectangular channel when opening first through-hole, avoid when normal circulation medium, the medium enters into the phenomenon of extrusion piston in the rectangular channel.
Description
Technical Field
The utility model relates to a valve barrel formula stop valve technical field especially relates to a valve barrel formula stop valve that leaks in possessing the self-checking.
Background
The valve sleeve type stop valve is also called as a stop valve and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack to prevent the leakage of a forced sealing surface; current valve sleeve formula stop valve only can realize closing to the valve, avoids the outflow of medium, but it does not possess the function of leaking in the self-checking, when the unsatisfactory phenomenon of sealed effect appears in valve sleeve formula stop valve, leaks in causing the stop valve easily, and it is convenient for in time remind personnel when leaking in the stop valve, and then easily causes extravagant phenomenon because of the medium flows out, can not satisfy the user demand, therefore we have proposed a valve sleeve formula stop valve that leaks in possessing the self-checking is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a valve sleeve type stop valve with self-checking inner leakage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a valve barrel formula stop valve that leaks in possessing self-checking, includes the disk seat, the top fixedly connected with bottom of disk seat is plugging structure's installation pipe, and the import groove has been seted up in the left side of disk seat, and the export groove has been seted up on the right side of disk seat, sets up the first through-hole that is linked together with the top inner wall in export groove on the right side inner wall in import groove, establish to round platform shape structure the bottom inner wall of first through-hole, be equipped with on the disk seat with first through-hole matched with plugging mechanism.
Preferably, the plugging mechanism comprises a truncated cone-shaped rubber plug which is hermetically and movably sleeved in the first through hole, the top of the truncated cone-shaped rubber plug is fixedly connected with a rectangular rod, the top end of the rectangular rod extends into the installation pipe, the left side of the rectangular rod is slidably installed with the inner wall of the left side of the installation pipe, a first screw rod is rotatably installed on the inner wall of the left side of the installation pipe, the top end of the first screw rod extends above the installation pipe and is fixedly connected with a knob, the bottom end of the first screw rod is fixedly connected with a second screw rod, the thread turning directions of the first screw rod and the second screw rod are opposite, the rectangular rod is in threaded sleeve connection with the second screw rod, a moving block is in threaded sleeve connection with the first screw rod, the moving block is slidably installed on the inner wall of the right side of the installation pipe, a first moving rod is fixedly installed on one side of the bottom of the moving block, a rectangular groove is formed in the inner wall of the right side of the first through hole, a first rectangular hole is formed in the inner wall of the top of the rectangular groove, the first rectangular hole is internally sealed and slidably sleeved with a first plugging plate, the first plugging plate is matched with the rectangular groove, the bottom end of the first moving rod extends into the first rectangular hole and is fixedly connected with the top of the first plugging plate, the bottom of the first plugging plate is fixedly connected with a second moving rod, the bottom end of the second moving rod penetrates through the rectangular groove and extends into the outlet groove and is fixedly connected with a second plugging plate, the top of the second plugging plate is in sealed movable contact with the inner wall of the top of the outlet groove, the second plugging plate is matched with the first through hole, and a self-checking inner leakage alarm mechanism matched with the automatic plugging mechanism is arranged on the valve seat.
Preferably, the self-checking inner leakage alarm mechanism comprises a piston which is sleeved in a rectangular groove in a sealing sliding manner, a T-shaped positioning rod is fixedly connected to the right side of the piston, a fixed block is fixedly connected between the inner wall of the top and the inner wall of the bottom of the rectangular groove, the fixed block is sleeved on the T-shaped positioning rod in a sliding manner, a spring is fixedly connected between the left side of the fixed block and the right side of the piston, the spring is movably sleeved on the T-shaped positioning rod, a first copper sheet is fixedly connected to the right side of the T-shaped positioning rod, a second copper sheet which is positioned on the right side of the first copper sheet is fixedly mounted on the inner wall of the bottom of the rectangular groove, the second copper sheet is matched with the first copper sheet, a mounting hole is formed in the inner wall of the top of the rectangular groove, a storage battery is fixedly connected to the inner wall of the right side of the mounting hole, a high-pitch alarm is fixedly connected to the top of the storage battery, the top of the high-pitch alarm extends to the upper part of the valve seat, and is electrically connected with the positive pole of the storage battery, the first copper sheet is electrically connected with the high-pitch alarm, and the second copper sheet is electrically connected with the negative electrode of the storage battery.
Preferably, fixedly connected with first bearing on the left side inner wall of installation pipe, the inboard outside fixed connection with first screw rod of the inner circle of first bearing, the left side top fixedly connected with slider of rectangular rod, the first T shape slide rail of fixedly connected with on the left side inner wall of installation pipe, the first T shape spout that top and bottom are the opening setting is seted up in the left side of slider, first T shape slide rail and first T shape spout sliding connection, the thread groove has been seted up on the top of rectangular rod, thread groove and second screw rod threaded connection.
Preferably, the right side of the moving block is provided with a second T-shaped sliding groove, the top and the bottom of the second T-shaped sliding groove are both arranged in an opening, a second T-shaped sliding rail is fixedly connected to the inner wall of the right side of the installation pipe, the second T-shaped sliding groove is connected with the second T-shaped sliding rail in a sliding mode, a second rectangular hole is formed in the inner wall of the bottom of the installation pipe, the inner wall of the second rectangular hole is connected with the outer side of the first moving rod in a sliding mode, the top of the moving block is provided with a threaded hole, and the threaded hole is connected with the first screw in a threaded mode.
Preferably, the outside bonding cladding of first shutoff board has first rubber seal, the outside of first rubber seal and the inner wall sliding connection in first rectangular hole, and the distance between the front side of first rubber seal and the rear side is the same with the distance between the front side inner wall and the rear side inner wall of rectangular channel.
Preferably, the top of second shutoff board is inlayed and is equipped with sealed the pad, and the top of sealed pad and the top inner wall in close contact with in export groove have seted up the rectangle perforation on the top inner wall of first through-hole, and the outside bonding cladding of rectangle pole has the second rubber seal, the outside and the fenestrate inner wall sliding connection of rectangle of second rubber seal.
Preferably, the outer side of the piston is bonded and coated with a third sealing rubber sheet, and the outer side of the third sealing rubber sheet is in movable contact with the inner wall of the rectangular groove.
Preferably, the storage battery, the high-pitch alarm, the first copper sheet and the second copper sheet sequentially form a loop.
Preferably, the T-shaped positioning rod is made of an insulating material, an insulating block is fixedly connected to the inner wall of the bottom of the rectangular groove, and the left side of the insulating block is fixedly connected with the right side of the second copper sheet.
Compared with the prior art, the beneficial effects of the utility model are that:
through the valve seat, the installation pipe, the inlet groove, the first through hole, the rectangular rod, the first screw rod, the second screw rod, the truncated cone-shaped rubber plug, the second plugging plate, the rectangular groove, the second movable rod, the first rectangular hole, the first plugging plate, the first movable rod, the movable block, the piston, the fixed block, the T-shaped positioning rod, the spring, the first copper sheet, the installation hole, the storage battery and the high-pitch alarm, when the inner leakage phenomenon occurs between the truncated cone-shaped rubber plug and the first through hole, the medium flows out from a gap between the truncated cone-shaped rubber plug and the inner wall of the first through hole, the medium enters the rectangular groove and gradually extrudes the piston to the right, the extrusion force drives the piston to slide to the right in the rectangular groove and compresses the spring, the piston drives the first copper sheet to contact with the second copper sheet to the right through the T-shaped positioning rod, and the high-pitch alarm is electrified to give an alarm, reminding personnel to find the phenomenon of internal leakage of the stop valve in time, when the first through hole needs to be opened for normal medium circulation, the forward rotation knob drives the first screw rod and the second screw rod to rotate, the second screw rod rotates to drive the rectangular rod to move upwards, the rectangular rod drives the frustum-shaped rubber plug to move upwards to remove the blockage of the first through hole, the first screw rod rotates to drive the moving block to move downwards, the moving block drives the first blocking plate to move downwards through the first moving rod to block the rectangular groove, the first blocking plate drives the second blocking plate to move downwards through the second moving rod to remove the blockage of the first through hole, at the moment, the medium can normally circulate, and because the first blocking plate blocks the rectangular groove, the phenomenon that the medium enters the rectangular groove to extrude the piston in the normal medium circulation process can be avoided, when the first through hole needs to be blocked, can the reverse rotation knob for round platform shape rubber plug changes the downward movement into and carries out the shutoff to first through-hole, and the second shutoff board changes the upward movement into and carries out the shutoff to first through-hole, and first shutoff board changes the upward movement into and removes the shutoff to the rectangular channel, can leak the operation in the self-checking when the shutoff.
The utility model relates to a rationally, be convenient for leak the operation in carrying out the self-checking to it when first through-hole shutoff, reach in time report to the police when the stop valve appears and remind personnel's purpose, reduce the extravagant phenomenon of outflow of medium, and be convenient for carry out the shutoff to the rectangular channel when opening first through-hole, avoid when normal circulation medium, the medium enters into the phenomenon of extrusion piston in the rectangular channel.
Drawings
Fig. 1 is a schematic structural view of a valve sleeve type stop valve with self-checking internal leakage according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 100 valve seats, 101 mounting pipes, 102 inlet grooves, 103 outlet grooves, 1 first through hole, 2 rectangular rods, 3 first screw rods, 4 second screw rods, 5 truncated cone-shaped rubber plugs, 6 second plugging plates, 7 rectangular grooves, 8 second moving rods, 9 first rectangular holes, 10 first plugging plates, 11 first moving rods, 12 moving blocks, 13 pistons, 14 fixing blocks, 15T-shaped positioning rods, 16 springs, 17 first copper sheets, 18 mounting holes, 19 storage batteries, 20 high-pitch alarms and 21 second copper sheets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a valve sleeve type stop valve with self-checking internal leakage comprises a valve seat 100, wherein the top of the valve seat 100 is fixedly connected with an installation pipe 101 with the bottom end of a blocking structure, the left side of the valve seat 100 is provided with an inlet groove 102, the right side of the valve seat 100 is provided with an outlet groove 103, the inner wall of the right side of the inlet groove 102 is provided with a first through hole 1 communicated with the inner wall of the top of the outlet groove 103, the inner wall of the bottom of the first through hole 1 is designed to be in a circular truncated cone-shaped structure, and the valve seat 100 is provided with a blocking mechanism matched with the first through hole 1;
the plugging mechanism comprises a truncated cone-shaped rubber plug 5 which is hermetically and movably sleeved in a first through hole 1, the top of the truncated cone-shaped rubber plug 5 is fixedly connected with a rectangular rod 2, the top end of the rectangular rod 2 extends into an installation pipe 101, the left side of the rectangular rod 2 is slidably installed with the left side inner wall of the installation pipe 101, a first screw rod 3 is rotatably installed on the left side inner wall of the installation pipe 101, the top end of the first screw rod 3 extends to the upper side of the installation pipe 101 and is fixedly connected with a knob, the bottom end of the first screw rod 3 is fixedly connected with a second screw rod 4, the thread turning directions of the first screw rod 3 and the second screw rod 4 are opposite, the rectangular rod 2 is threadedly sleeved on the second screw rod 4, a moving block 12 is sleeved on the first screw rod 3 in a threaded manner, the moving block 12 is slidably installed on the right side inner wall of the installation pipe 101, a first moving rod 11 is fixedly installed on one side of the bottom of the moving block 12, a rectangular groove 7 is formed in the right side inner wall of the first through hole 1, a first rectangular hole 9 is formed in the inner wall of the top of the rectangular groove 7, a first blocking plate 10 is hermetically and slidably sleeved in the first rectangular hole 9, the first blocking plate 10 is matched with the rectangular groove 7, the bottom end of a first movable rod 11 extends into the first rectangular hole 9 and is fixedly connected with the top of the first blocking plate 10, the bottom of the first blocking plate 10 is fixedly connected with a second movable rod 8, the bottom end of the second movable rod 8 penetrates through the rectangular groove 7 and extends into the outlet groove 103 and is fixedly connected with a second blocking plate 6, the top of the second blocking plate 6 is in sealed movable contact with the inner wall of the top of the outlet groove 103, the second blocking plate 6 is matched with the first through hole 1, and a self-checking and alarming mechanism matched with the automatic blocking mechanism is arranged on the valve seat 100;
the self-checking inner leakage alarm mechanism comprises a piston 13 which is sleeved in a rectangular groove 7 in a sealing sliding manner, a T-shaped positioning rod 15 is fixedly connected to the right side of the piston 13, a fixed block 14 is fixedly connected between the inner wall of the top part and the inner wall of the bottom part of the rectangular groove 7, the fixed block 14 is sleeved on the T-shaped positioning rod 15 in a sliding manner, a spring 16 is fixedly connected between the left side of the fixed block 14 and the right side of the piston 13, the spring 16 is movably sleeved on the T-shaped positioning rod 15, a first copper sheet 17 is fixedly connected to the right side of the T-shaped positioning rod 15, a second copper sheet 21 which is positioned at the right side of the first copper sheet 17 is fixedly arranged on the inner wall of the bottom part of the rectangular groove 7, the second copper sheet 21 is matched with the first copper sheet 17, a mounting hole 18 is formed in the inner wall of the top part of the rectangular groove 7, a storage battery 19 is fixedly connected to the inner wall of the right side of the mounting hole 18, a high-pitch alarm 20 is fixedly connected to the top part of the storage battery 19, and the top part of the high-pitch alarm 20 extends to the upper part of the valve seat 100, anodal electric connection of high pitch alarm 20 and battery 19, first copper sheet 17 and high pitch alarm 20 electric connection, second copper sheet 21 and battery 19's negative pole electric connection, the utility model relates to a rationally, be convenient for carry out the operation of leaking in the self-checking to it when first through-hole 1 shutoff, reach in time reporting to the police and remind personnel's purpose when leaking in the stop valve appears, reduce the extravagant phenomenon of outflow of medium, and be convenient for carry out the shutoff to rectangular channel 7 when opening first through-hole 1, avoid when normal circulation medium, the medium enters into the phenomenon of extrusion piston 13 in the rectangular channel 7.
In the utility model, a first bearing is fixedly connected on the inner wall of the left side of the installation tube 101, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the first screw rod 3, the top of the left side of the rectangular rod 2 is fixedly connected with a slide block, a first T-shaped slide rail is fixedly connected on the inner wall of the left side of the installation tube 101, a first T-shaped slide groove with the top and the bottom arranged in an opening is arranged on the left side of the slide block, the first T-shaped slide rail is slidably connected with the first T-shaped slide groove, a thread groove is arranged on the top of the rectangular rod 2 and is in threaded connection with the second screw rod 4, a second T-shaped slide groove with the top and the bottom arranged in an opening is arranged on the right side of the movable block 12, a second T-shaped slide rail is fixedly connected on the inner wall of the right side of the installation tube 101, a second rectangular hole is arranged on the inner wall of the bottom of the installation tube 101, the inner wall of the second rectangular hole is slidably connected with the outer side of the first movable rod 11, the top of the moving block 12 is provided with a threaded hole, the threaded hole is in threaded connection with the first screw rod 3, the outer side of the first plugging plate 10 is bonded and coated with a first sealing rubber sheet, the outer side of the first sealing rubber sheet is in sliding connection with the inner wall of the first rectangular hole 9, the distance between the front side and the rear side of the first sealing rubber sheet is the same as the distance between the front side inner wall and the rear side inner wall of the rectangular groove 7, the top of the second plugging plate 6 is embedded with a sealing pad, the top of the sealing pad is in close contact with the top inner wall of the outlet groove 103, the top inner wall of the first through hole 1 is provided with a rectangular through hole, the outer side of the rectangular rod 2 is bonded and coated with a second sealing rubber sheet, the outer side of the second sealing rubber sheet is in sliding connection with the inner wall of the rectangular through hole, the outer side of the piston 13 is bonded and coated with a third sealing rubber sheet, the outer side of the third sealing rubber sheet is in movable contact with the inner wall of the rectangular groove 7, the storage battery 19 and the high-pitch alarm 20, First copper sheet 17 and second copper sheet 21 constitute a return circuit in proper order, and T shape locating lever 15 is insulating material, fixedly connected with collets on the bottom inner wall of rectangular channel 7, the left side of collets and the right side fixed connection of second copper sheet 21, the utility model relates to a rationally, be convenient for carry out the operation of leaking in the self-checking to first through-hole 1 when shutoff, reach in the stop valve in time report to the police when leaking the mesh of reminding personnel in appearing, reduce the extravagant phenomenon of outflow of medium, and be convenient for carry out the shutoff to rectangular channel 7 when opening first through-hole 1, avoid when normal circulation medium, the medium enters into the phenomenon of extrusion piston 13 in the rectangular channel 7.
The working principle is as follows: when the device is used, the circular truncated cone-shaped rubber plug 5 is in a blocking state on the first through hole 1, when the sealing effect between the circular truncated cone-shaped rubber plug 5 and the first through hole 1 is not ideal and internal leakage occurs, a medium flows out from a gap between the circular truncated cone-shaped rubber plug 5 and the inner wall of the first through hole 1, the second blocking plate 6 blocks the bottom opening of the first through hole 1, the medium cannot enter the outlet groove 103, the medium enters the rectangular groove 7 and gradually extrudes the piston 13 to the right, the extrusion force drives the piston 13 to slide to the right in the rectangular groove 7, the piston 13 compresses the spring 16 to the right, the piston 13 drives the T-shaped positioning rod 15 to move to the right, the T-shaped positioning rod 15 drives the first copper sheet 17 to contact with the second copper sheet 21 to the right, and the storage battery 19, the high-pitch alarm 20, the first copper sheet 17 and the second copper sheet 21 sequentially form a loop, at the moment, the high pitch alarm 20 is electrified to give out sound alarm to remind personnel of finding the internal leakage phenomenon of the stop valve in time and reducing the waste phenomenon caused by medium outflow;
when the first through hole 1 needs to be opened for normal medium circulation, the knob is rotated in the forward direction, the knob drives the first screw rod 3 to rotate, the first screw rod 3 drives the second screw rod 4 to rotate, the second screw rod 4 rotates to drive the rectangular rod 2 to move upwards under the action of a thread groove formed in the rectangular rod 2, the rectangular rod 2 drives the sliding block to slide upwards on the first T-shaped sliding rail, the rectangular rod 2 drives the frustum-shaped rubber plug 5 to move upwards, a gap is gradually formed between the outer side of the frustum-shaped rubber plug 5 and the inner wall of the first through hole 1 while the frustum-shaped rubber plug 5 moves upwards, the plugging of the first through hole 1 is removed, meanwhile, under the action of a threaded hole formed in the moving block 12, the first screw rod 3 rotates to drive the moving block 12 to move downwards, the moving block 12 slides downwards on the second T-shaped sliding rail, the moving block 12 drives the first moving rod 11 to move downwards, the first moving rod 11 drives the first plugging plate 10 to plug the rectangular groove 7 downwards, meanwhile, the first plugging plate 10 drives the second plugging plate 6 to move downwards through the second moving rod 8 to remove the plugging of the first through hole 1, the medium can normally circulate, and because the first plugging plate 10 plugs the rectangular groove 7 at this time, the phenomenon that the medium enters the rectangular groove 7 to extrude the piston 13 can be avoided in the normal circulation process of the medium, the stable circulation of the medium is ensured, when the first through hole 1 needs to be plugged, the knob can be rotated reversely, similarly, the movement process of the knob is opposite to the movement process of the knob which is rotated forwards, the circular truncated cone-shaped rubber plug 5 is changed into downward movement to plug the first through hole 1, the second plugging plate 6 is changed into upward movement to plug the first through hole 1, meanwhile, the first plugging plate 10 is changed into upward movement to remove the plugging of the rectangular groove 7, the internal leakage self-detection operation can be carried out during the plugging, so that the self-detection internal leakage operation can be conveniently carried out on the first through hole 1 during the plugging, the leakage in the process of leakage can be timely reminded, and the phenomenon of medium outflow waste can be reduced.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a valve barrel formula stop valve that leaks in possesses self-checking, includes disk seat (100), the top fixedly connected with bottom of disk seat (100) is mounting tube (101) of block structure, and import groove (102) have been seted up in the left side of disk seat (100), and export groove (103) have been seted up on the right side of disk seat (100), sets up first through-hole (1) that are linked together with the top inner wall of export groove (103) on the right side inner wall of import groove (102), a serial communication port, the bottom inner wall of first through-hole (1) is established to round platform shape structure, be equipped with on disk seat (100) with first through-hole (1) matched with block mechanism.
2. The valve sleeve type stop valve with the function of self-checking internal leakage according to claim 1, wherein the blocking mechanism comprises a truncated cone-shaped rubber plug (5) which is movably sleeved in the first through hole (1) in a sealing manner, a rectangular rod (2) is fixedly connected to the top of the truncated cone-shaped rubber plug (5), the top end of the rectangular rod (2) extends into the installation pipe (101), the left side of the rectangular rod (2) is slidably installed with the inner wall of the left side of the installation pipe (101), a first screw (3) is rotatably installed on the inner wall of the left side of the installation pipe (101), the top end of the first screw (3) extends to the upper side of the installation pipe (101) and is fixedly connected with a knob, the bottom end of the first screw (3) is fixedly connected with a second screw (4), the thread turning directions of the first screw (3) and the second screw (4) are opposite, the thread of the rectangular rod (2) is sleeved on the second screw (4), a moving block (12) is sleeved on the first screw (3) in a threaded manner, the moving block (12) is slidably mounted on the inner wall of the right side of the mounting pipe (101), a first moving rod (11) is fixedly mounted on one side of the bottom of the moving block (12), a rectangular groove (7) is formed in the inner wall of the right side of the first through hole (1), a first rectangular hole (9) is formed in the inner wall of the top of the rectangular groove (7), a first plugging plate (10) is hermetically and slidably sleeved in the first rectangular hole (9), the first plugging plate (10) is matched with the rectangular groove (7), the bottom end of the first moving rod (11) extends into the first rectangular hole (9) and is fixedly connected with the top of the first plugging plate (10), a second moving rod (8) is fixedly connected with the bottom of the first plugging plate (10), the bottom end of the second moving rod (8) extends into the outlet groove (103) through the rectangular groove (7) and is fixedly connected with a second plugging plate (6), the top of the second plugging plate (6) is in sealing movable contact with the inner wall of the top of the outlet groove (103), the second plugging plate (6) is matched with the first through hole (1), and a self-checking inner leakage alarm mechanism matched with the automatic plugging mechanism is arranged on the valve seat (100).
3. The valve sleeve type stop valve with the function of self-checking internal leakage according to claim 1, wherein the self-checking internal leakage alarm mechanism comprises a piston (13) which is sleeved in a rectangular groove (7) in a sealing and sliding manner, a T-shaped positioning rod (15) is fixedly connected to the right side of the piston (13), a fixed block (14) is fixedly connected between the top inner wall and the bottom inner wall of the rectangular groove (7), the fixed block (14) is sleeved on the T-shaped positioning rod (15) in a sliding manner, a spring (16) is fixedly connected between the left side of the fixed block (14) and the right side of the piston (13), the spring (16) is movably sleeved on the T-shaped positioning rod (15), a first copper sheet (17) is fixedly connected to the right side of the T-shaped positioning rod (15), a second copper sheet (21) positioned on the right side of the first copper sheet (17) is fixedly installed on the bottom inner wall of the rectangular groove (7), and the second copper sheet (21) is matched with the first copper sheet (17), mounting hole (18) have been seted up on the top inner wall of rectangular channel (7), fixedly connected with battery (19) on the right side inner wall of mounting hole (18), top fixedly connected with audible-visual annunciator (20) of battery (19), the top of audible-visual annunciator (20) extends to the top of disk seat (100), the anodal electric connection of audible-visual annunciator (20) and battery (19), first copper sheet (17) and audible-visual annunciator (20) electric connection, the negative pole electric connection of second copper sheet (21) and battery (19).
4. The valve sleeve type stop valve with the function of self-checking internal leakage according to claim 2, wherein a first bearing is fixedly connected to the inner wall of the left side of the installation pipe (101), the inner side of the inner ring of the first bearing is fixedly connected to the outer side of the first screw (3), a sliding block is fixedly connected to the top of the left side of the rectangular rod (2), a first T-shaped sliding rail is fixedly connected to the inner wall of the left side of the installation pipe (101), a first T-shaped sliding groove is formed in the left side of the sliding block, the top and the bottom of the first T-shaped sliding rail are both provided with openings, the first T-shaped sliding rail is slidably connected with the first T-shaped sliding groove, a thread groove is formed in the top end of the rectangular rod (2), and the thread groove is in threaded connection with the second screw (4).
5. The valve sleeve type stop valve with the function of self-checking internal leakage as claimed in claim 2, wherein a second T-shaped sliding groove with an opening at both top and bottom is formed in the right side of the moving block (12), a second T-shaped sliding rail is fixedly connected to the inner wall of the right side of the mounting pipe (101), the second T-shaped sliding groove is slidably connected to the second T-shaped sliding rail, a second rectangular hole is formed in the inner wall of the bottom of the mounting pipe (101), the inner wall of the second rectangular hole is slidably connected to the outer side of the first moving rod (11), a threaded hole is formed in the top of the moving block (12), and the threaded hole is in threaded connection with the first screw (3).
6. The valve sleeve type stop valve with the function of self-checking internal leakage according to claim 2, characterized in that the outer side of the first plugging plate (10) is bonded and coated with a first sealing rubber sheet, the outer side of the first sealing rubber sheet is slidably connected with the inner wall of the first rectangular hole (9), and the distance between the front side and the rear side of the first sealing rubber sheet is the same as the distance between the front side inner wall and the rear side inner wall of the rectangular groove (7).
7. The valve sleeve type stop valve with the function of self-checking internal leakage as claimed in claim 2, wherein a sealing gasket is embedded in the top of the second blocking plate (6), the top of the sealing gasket is in close contact with the inner wall of the top of the outlet groove (103), a rectangular through hole is formed in the inner wall of the top of the first through hole (1), a second sealing rubber is bonded and coated on the outer side of the rectangular rod (2), and the outer side of the second sealing rubber is in sliding connection with the inner wall of the rectangular through hole.
8. The valve sleeve type stop valve with the function of self-checking internal leakage as claimed in claim 3, wherein the outside of the piston (13) is bonded and coated with a third sealing rubber sheet, and the outside of the third sealing rubber sheet is in movable contact with the inner wall of the rectangular groove (7).
9. The valve sleeve type stop valve with the function of self-checking internal leakage according to claim 3, characterized in that the storage battery (19), the audible alarm (20), the first copper sheet (17) and the second copper sheet (21) sequentially form a loop.
10. The valve sleeve type stop valve with the function of self-checking internal leakage as claimed in claim 3, wherein the T-shaped positioning rod (15) is made of insulating material, an insulating block is fixedly connected to the inner wall of the bottom of the rectangular groove (7), and the left side of the insulating block is fixedly connected with the right side of the second copper sheet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069608.1U CN214617878U (en) | 2021-05-19 | 2021-05-19 | Valve pocket type stop valve with self-checking internal leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069608.1U CN214617878U (en) | 2021-05-19 | 2021-05-19 | Valve pocket type stop valve with self-checking internal leakage |
Publications (1)
| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699930A (en) * | 2023-12-25 | 2024-03-15 | 江苏方洋水务有限公司 | Chemical crystallization circulating granulation fluidized bed water treatment device and treatment method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699930A (en) * | 2023-12-25 | 2024-03-15 | 江苏方洋水务有限公司 | Chemical crystallization circulating granulation fluidized bed water treatment device and treatment method thereof |
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